The Law No. 429/2003 on the revision of the Constitution of Romania was approved by the national referendum of 18-19 October 2003, and came into force on 29 October 2003, the date of the publication in the Official Gazette of Romania, Part I, No. 758 of 29 October 2003 of the Decision of the Constitutional Court No. 3 of 22 October 2003 for the confirmation of the result of the national referendum of 18-19 October 2003 concerning the Law on the revision of
the Constitution of Romania.

The Constitution of Romania, in its initial form, was adopted in the sitting of the Constituant Assembly of 21 November 1991, was published in the Official Gazette of Romania, Part I, No. 233 of 21 November 1991, and came into force after its approval by the national referendum of 8 December 1991.

Article 146
(1) Revision of the Constitution may be initiated by the President of Romania on proposal of the Government, by at least one quarter of the number of Deputies or Senators, as well as by at least 500,000 citizens with the right to vote.
(2) The citizens who initiate the revision of the Constitution must belong to at least half the number of the counties in the country, and in each of the respective counties or in the City of Bucharest, at least 20,000 signatures must be recorded in support of this initiative.

Article 147
(1) The draft or proposed revision must be adopted by the Chamber of Deputies and the Senate, by a majority of at least two thirds of the members of each Chamber.
(2) If no agreement can be reached by a mediation procedure, the Chamber of Deputies and the Senate shall decide thereupon, in joint session, by the vote of at least three quarters of the number of Deputies and Senators.
(3) The revision shall be final after approval by a referendum held within 30 days from the date of passing the draft or proposed revision.

Article 148
(1) The provisions of this Constitution with regard to the national, independent, unitary and indivisible character of the Romanian State, the Republican form of government, territorial integrity, independence of the judiciary, political pluralism and official language shall not be subject to revision.
(2) Likewise, no revision shall be made if it results in the supression of the citizens fundamental rights and freedoms, or the safeguards thereof.
(3) The Constitution shall not be revised during a state of siege or emergency, or at wartime.